1. abraham lincoln: 16 The President of the United States was assassinated in 1865. Abraham lincoln is an American politician and strategist. Lincoln was the first Republican president, who led the abolition of black slavery in the United States during his term of office.

2. james garfield: The 20th President was assassinated 188 1. James garfield was born in Ohio, USA. During the civil war, he joined the northern army and fought against the southern slave army, holding the rank of major general.

3. william mckinley: The 25th President was assassinated in 190 1 year. William mckinley was born in Ohio, USA. After the Civil War, he retired as a major at the age of 22 and worked as a lawyer, county prosecutor, congressman and governor. After being elected president, he launched the Spanish-American War.

4. John F. Kennedy: The 35th president was assassinated in 1963. John Kennedy was born in Brooklyn, Massachusetts, USA. He is an Irish-American politician and soldier. During his tenure, John F. Kennedy pursued the "new frontier" policy, expanded social welfare, developed education, founded the Peace Corps, and carried out a series of economic reforms.